Kumagai Family History
Kumagai Name Meaning
Japanese: written 熊谷 ‘bear valley’; also pronounced Kumatani Kumaya and Kumagaya. It is found in northeastern and western Japan a habitational name from the town of Kumagaya in Musashi (now part of Saitama prefecture). The earliest bearers were of Taira descent. In fact the town was named after Kumagai Naozane a 12th century warrior featured in a famous story in the epic Heike monogatari ‘Tales of the Taira’.
Source: Dictionary of American Family Names 2nd edition, 2022